got it in the mail. it doesnt work with my savage 10. lots of dremel grinding later and it still doesnt work. i got it to fit in the savage but it doesnt feed reliably. even though both the ruger and savage use the exact same bottom metal and mags from aic these polymer mags wont work with all aic rifle metal.
before i started wacking away on the mag i tried loading it and while the follower was easy to depress it did not strip the rounds reliably and would jam in the mag body.
i prolly shoulda just sent it back but i couldnt resist a little bubba smithing with a dremel
i may experiment with it more later.